21028704

素因数分解:

$2^5\times 3^1\times {\mathrm{53}}^1\times {\mathrm{4133}}^1$

素因数の和:4199

約数の個数: 48

約数和(自身を含む): 56255472

約数和(自身を除く): 35226768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 96, 106, 159, 212, 318, 424, 636, 848, 1272, 1696, 2544, 4133, 5088, 8266, 12399, 16532, 24798, 33064, 49596, 66128, 99192, 132256, 198384, 219049, 396768, 438098, 657147, 876196, 1314294, 1752392, 2628588, 3504784, 5257176, 7009568, 10514352, 21028704]

約数ペア:

[(1, 21028704), (2, 10514352), (3, 7009568), (4, 5257176), (6, 3504784), (8, 2628588), (12, 1752392), (16, 1314294), (24, 876196), (32, 657147), (48, 438098), (53, 396768), (96, 219049), (106, 198384), (159, 132256), (212, 99192), (318, 66128), (424, 49596), (636, 33064), (848, 24798), (1272, 16532), (1696, 12399), (2544, 8266), (4133, 5088)]